Lead Data Scientist
Listed on 2026-02-17
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IT/Tech
AI Engineer, Machine Learning/ ML Engineer, Data Analyst, Data Scientist
MCS Group are delighted to be working with an established AI and data science organisation delivering real-world machine learning systems across complex, high-impact environments. The team works on applied AI problems including large language models, computer vision, signal processing, and advanced analytics - building production systems rather than dashboards or proofs of concept. The Belfast office is growing and playing a key role in shaping the company's future technical capability.
Role OverviewThis is a senior, hands‑on Lead Data Scientist role combining technical delivery, mentorship, and team leadership
. You'll take ownership of complex ML programmes, guide technical direction, and support the development of a growing data science team while remaining deeply involved in building and deploying real‑world systems.
- 8+ years' experience in data science, machine learning, or applied AI
- Strong track record delivering ML systems into production
- Experience mentoring or leading other data scientists (formal management not required)
- Practical experience with LLMs / GenAI
- Background in at least one of:
computer vision, NLP, or statistical modelling
- Heavy focus on LLMs, GenAI, and real‑world AI systems
- Work across diverse problem spaces including signal data, computer vision, and large‑scale analytics
- Strong balance of hands‑on technical work and leadership
- Opportunity to help shape and grow a data science function in Belfast
- Meaningful, applied work - not dashboards or experimentation‑only projects
To speak in absolute confidence about this opportunity please contact Rachael Walker, IT Recruitment Manager at MCS Groupor click the apply button below.
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